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Q. What is compound?
A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they are in a mixture. In its place they are combined in a way such that the compound has properties that are different from those of the elements of which it is composed. Every compound is represented by a formula a combination of the symbols of the elements that make up the compounds. You may already recognize some chemical formulas such as H2O for water, NaCl for table salt and NH3 for ammonia.
How to find the equivalent weight of a compound?
How to know degree of superheat from psychometric chart?
Thermosetting polymers - Classification of polymers These are the polymers which go through permanent modification on heating. They get firm and infusible on heating. They are
Between a proton and electron in a hydrogen atom = 3.16 x 10 47 A 0
Why must washing with methanol be carried out in a fume cupboard?
The hydride ions H- are isoelectronic with: (1) Li (2) He + (3) He (4) Be Ans: He
how do i make a first class in chemistry, secondly in nigeria chemistry is based on too much theory. how do i make it in this case?
How can you find the formula for a specific ion?
what is meant by 100% current efficiency in electrogravimetry
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